>>57113040>>57113137thank you both for posting these! I did some archive searches and it looks like these came from this very board in an old thread from 2019 when some anon here scanned them.
https://arch.b4k.co/vp/thread/38391046the original book comes from a comic market from 2013, and if it weren't for a few of the creators releasing some of the images later it would have been pretty much lost in time not findable anywhere publicly.
here's the pixiv post listing all the involved artists as well
https://www.pixiv.net/en/artworks/32845080 